<template>
  <div class="login-container">
    <el-form ref="registerForm" :model="registerForm" :rules="registerRules" class="login-form" auto-complete="on"
      label-position="left">

      <div class="title-container">
        <h3 class="title">Register Form</h3>
      </div>

      <el-form-item prop="username">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input ref="username" v-model="registerForm.username" placeholder="Username" name="username" type="text"
          tabindex="1" auto-complete="on" />
      </el-form-item>
      <el-form-item prop="email">
        <span class="svg-container">
          <svg-icon icon-class="email" />
        </span>
        <el-input ref="email" v-model="registerForm.email" placeholder="email" name="email" type="text" tabindex="2"
          auto-complete="on" />
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password" />
        </span>
        <el-input :key="passwordType" ref="password" v-model="registerForm.password" :type="passwordType"
          placeholder="Password" name="password" tabindex="3" auto-complete="on" @keyup.enter.native="handleLogin" />
        <span class="show-pwd" @click="showPwd">
          <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
        </span>
      </el-form-item>

      <el-button :loading="loading" type="primary" style="width:100%;margin-bottom:30px;"
        @click.native.prevent="handleLogin">Register</el-button>

      <div class="tips">
        <span style="margin-right:20px;">username: admin</span>
        <span> password: any</span>
      </div>
      <div class="jump">
        <router-link to="./login">马上登录</router-link>
      </div>
    </el-form>
  </div>
</template>
  
<script>
// import { validUsername } from '@/utils/validate'

export default {
  name: 'Login',
  data() {
    // const validateUsername = (rule, value, callback) => {
    //   if (!validUsername(value)) {
    //     callback(new Error('Please enter the correct user name'))
    //   } else {
    //     callback()
    //   }
    // }
    // const validatePassword = (rule, value, callback) => {
    //   if (value.length < 6) {
    //     callback(new Error('The password can not be less than 6 digits'))
    //   } else {
    //     callback()
    //   }
    // }
    return {
      registerForm: {
        username: '',
        password: 'adminadmin',
        email: ''
      },
      registerRules: {
        username: [
          { required: true, trigger: 'blur', message: '请输入用户名' },
          // pattern 写正则表达式的属性
          // { pattern: /^1[3-9]\d{9}$/, trigger: 'blur', message: '手机号格式不正确' }
        ],
        email: [
          { required: true, trigger: 'blur', message: '请输入邮箱' },
          // pattern 写正则表达式的属性
          { pattern: /^([a-zA-Z]|[0-9])(\w|\-)+@[a-zA-Z0-9]+\.([a-zA-Z]{2,4})$/, trigger: 'blur', message: '邮箱格式不正确' }
        ],
        password: [
          { required: true, trigger: 'blur', message: '请输入密码' },
          { min: 3, max: 16, trigger: 'blur', message: '密码长度3-到16位' }
        ],
      },
      loading: false,
      passwordType: 'password',
      redirect: undefined
    }
  },
  watch: {
    $route: {
      handler: function (route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  created() {
    // 修改逻辑
    // 默认进入注册页即清空token,userInfo
    // 以便用户注册完能使用登录
    this.$store.dispatch('user/logout')
  },
  methods: {
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    handleLogin() {
      this.$refs.registerForm.validate(valid => {
        if (valid) {
          console.log(valid, this.registerForm);
          // this.loading = true
          this.$store.dispatch('user/register', this.registerForm)
            .then(() => {
              setTimeout(() => {
                this.$message.success('注册成功，即将跳转登录页面')
                this.$router.push({ path: this.redirect || '/login', query: { identifier: this.registerForm.username } },)
              }, 2000);

              this.loading = false
            }).catch(() => {
              this.loading = false
            })
        } else {
          console.log('error submit!!')
          return false
        }
      })
    }
  }
}
</script>
  
<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg: #283443;
$light_gray: #fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      // &:-webkit-autofill {
      //   box-shadow: 0 0 0px 1000px $bg inset !important;
      //   -webkit-text-fill-color: $cursor !important;
    }

    // < !-- 99999s 基本上就是一个无限长的时间 通过延长增加自动填充背景色的方式,
    // 是用户感受不到样式的变化 -->
    input:-webkit-autofill,
    input:-webkit-autofill:hover,
    input:-webkit-autofill:focus,
    input:-webkit-autofill:active {
      transition-delay: 99999s;
      transition: color 99999s ease-out, background-color 99999s ease-out;
      -webkit-transition-delay: 99999s;
      -webkit-transition: color 99999s ease-out, background-color 99999s ease-out;
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
  }
}
</style>
  
<style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;

.login-container {
  min-height: 100vh;
  width: 100%;
  background-color: $bg;
  overflow: hidden;


  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  // 跳转a标签
  .jump a {
    color: #fff;
    text-decoration: none
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>
  